diff --git a/spec/fixtures/inlining/basic.y b/spec/fixtures/inlining/basic.y
new file mode 100644
index 00000000..f9e9fe87
--- /dev/null
+++ b/spec/fixtures/inlining/basic.y
@@ -0,0 +1,42 @@
+/*
+ * This is comment for this file.
+ */
+
+%{
+// Prologue
+static int yylex(YYSTYPE *val, YYLTYPE *loc);
+static int yyerror(YYLTYPE *loc, const char *str);
+%}
+
+%union {
+    int i;
+}
+
+%token <i> number
+
+%inline op: '+' { (+) }
+          | '-' { (-) }
+          | '*' { (*) }
+          | '/' { (/) }
+
+%%
+
+expression      : number
+                : expression op expression { $$ = $1 $2 $3; }
+                ;
+
+%%
+
+static int yylex(YYSTYPE *yylval, YYLTYPE *loc) {
+{
+  return 0;
+}
+
+static int yyerror(YYLTYPE *loc, const char *str) {
+{
+  return 0;
+}
+
+int main(int argc, char *argv[])
+{
+}